Delivering breakthrough lumen output and efficacy in the XM package, the XLamp XM-L2 LED is the highest-performing, commercially available, single-die LED. Built on the SC³ Technology Platform, the XLamp XM-L2 LED delivers up to 20% more lumens and lumens-per-watt and double the lumens-per-dollar of the original XM-L. The XM-L2 LED offers the unique combination of high efficacy and high lumen output at high drive currents, delivering an unprecedented 1198 lumens at 116 lumens-per-watt efficacy at 3 A, 25°C.- See more at: http://www.cree.com/led-components-and-modules/products/xlamp/discrete-directional/xlamp-xml2#sthash.RuAFDUBe.dpuf